Intel 4004
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The Intel 4004, released by the Intel Corporation on November 15, 1971, was the first in a long line of Intel central processing units. Priced at US$60, the chip marked both a technological and econom
Intel C4004 processor with grey traces
Chip layout from the development phase of the Intel 4004
Intel 4004 CPU and associated chips on the circuit board from a Busicom calculator
Busicom 141-PF
Intel 4040
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The Intel 4040 is the second 4-bit microprocessor designed and manufactured by Intel. Introduced in 1974 as a successor to the Intel 4004, the 4040 was produced with a 10 μm process and includes silic
Intel 4004
…the previous MOS technology with aluminum gates. The 4004's architecture laid the foundation for subsequent Intel processors, including the improved Intel 4040, released in 1974, and the 8-bit Intel 8008 and 8080. In April 1969, Busicom approached Intel and asked them to produce a chip set to handle the…
A white ceramic C4040 variant
The ceramic D4040 variant
The plastic P4040 variant